Easy plug and play install
Cool bits like anti lag and launch control
on the fly tuning
Rpm and pressure grids not scaleable(0-10k rpm and 0-300kpa)
no native low impedance injectors
Abstract units for tuning ( ie values 0-255 instead of, ms open, etc)
Cant convert to US units
Havent dug that far into mine yet. Sure more expereinced users will have more to say.